On 14 September 2016 at 15:22, Christian König <christian.koenig at amd.com>
wrote:
> Am 14.09.2016 um 08:10 schrieb Baoyou Xie:
>
>> We get 2 warnings when building kernel with W=1:
>> drivers/gpu/drm/radeon/radeon_device.c:1961:5: warning: no previous
>> prototype for 'radeon_debugfs_init' [-Wmissing-prototypes]
>> drivers/gpu/drm/radeon/radeon_device.c:1966:6: warning: no previous
>> prototype for 'radeon_debugfs_cleanup' [-Wmissing-prototypes]
>>
>> In fact, both functions are declared in
>> drivers/gpu/drm/radeon/radeon_drv.c, but should be declared in
>> a header file, thus can be recognized in other file.
>>
>> So this patch moves the declarations into drivers/gpu/drm/radeon/radeon.
>> h.
>>
>> Signed-off-by: Baoyou Xie <baoyou.xie at linaro.org>
>>
>
> Actually if I see it correctly we could also just remove the two callbacks
> cause they are optional and our implementations are just empty dummys.
>
>
Is it sure? if true, we can simply remove them.
someone maybe implementation these functions in order to support debugfs.
> Christian.
>
>
> ---
>> drivers/gpu/drm/radeon/radeon_device.c | 1 +
>> drivers/gpu/drm/radeon/radeon_drv.c | 5 -----
>> drivers/gpu/drm/radeon/radeon_drv.h | 5 +++++
>> 3 files changed, 6 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/radeon/radeon_device.c
>> b/drivers/gpu/drm/radeon/radeon_device.c
>> index a00dd2f..811abde 100644
>> --- a/drivers/gpu/drm/radeon/radeon_device.c
>> +++ b/drivers/gpu/drm/radeon/radeon_device.c
>> @@ -36,6 +36,7 @@
>> #include <linux/efi.h>
>> #include "radeon_reg.h"
>> #include "radeon.h"
>> +#include "radeon_drv.h"
>> #include "atom.h"
>> static const char radeon_family_name[][16] = {
>> diff --git a/drivers/gpu/drm/radeon/radeon_drv.c
>> b/drivers/gpu/drm/radeon/radeon_drv.c
>> index 07e4493..6cc4a9e 100644
>> --- a/drivers/gpu/drm/radeon/radeon_drv.c
>> +++ b/drivers/gpu/drm/radeon/radeon_drv.c
>> @@ -156,11 +156,6 @@ void radeon_gem_prime_vunmap(struct drm_gem_object
>> *obj, void *vaddr);
>> extern long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd,
>> unsigned long arg);
>> -#if defined(CONFIG_DEBUG_FS)
>> -int radeon_debugfs_init(struct drm_minor *minor);
>> -void radeon_debugfs_cleanup(struct drm_minor *minor);
>> -#endif
>> -
>> /* atpx handler */
>> #if defined(CONFIG_VGA_SWITCHEROO)
>> void radeon_register_atpx_handler(void);
>> diff --git a/drivers/gpu/drm/radeon/radeon_drv.h
>> b/drivers/gpu/drm/radeon/radeon_drv.h
>> index afef2d9..3d35e0e 100644
>> --- a/drivers/gpu/drm/radeon/radeon_drv.h
>> +++ b/drivers/gpu/drm/radeon/radeon_drv.h
>> @@ -119,4 +119,9 @@
>> long radeon_drm_ioctl(struct file *filp,
>> unsigned int cmd, unsigned long arg);
>> +#if defined(CONFIG_DEBUG_FS)
>> +int radeon_debugfs_init(struct drm_minor *minor);
>> +void radeon_debugfs_cleanup(struct drm_minor *minor);
>> +#endif
>> +
>> #endif /* __RADEON_DRV_H__ */
>>
>
>
>
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